Yes, you can use CSS.
CSS is a browser scripting language, so it's not x10 that is causing the problem, it is probably that you are doing something wrong.
That server load is for the entire server, not just your account. It is very hard to predict the maximum visitor load so I can't really give you an answer. But our servers are powerful enough to handle an average visitor load, the real problem is when people attack our servers that can cause...
Re: keep getting suspended for not logging into forums even though i have the text li
You need to login to the x10 Forums at least once every two weeks. Putting the Ads up does not remove this requirement (But you still need to ads up aswell).
If you are trying to reply to other people's threads in the Free Hosting section, then you won't be able to because it has been disabled. Only Staff can reply to other people's threads in that forum.